4 components of blood & functions
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Red blood cells
(erythrocytes) carry oxygen to cells, transport carbon dioxide from cells
White blood cells
(leukocytes) protect against & fight infection
Platelets
(thrombocytes) assit clots to stop bleeding
2 types of white blood cells
leukocytes- granulocytes & agranulocytes
Agranulocytes
monocytes & lymphocytes
Granulocytes
neutrophils, eosinophils, basophils
Plasma
transport medium for nutrients & blood components